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Ciel, as Elesia (エレイシア, Ereishia?), was born in 1976 in a remote village in France to a French father and an Oriental mother. Due to a high degree of magical potential, she was born as Michael Roa Valdamjong's seventeenth incarnation. His sixteenth was destroyed by Arcueid Brunestud before he had a chance to find a family bloodline with both wealth and power. He could only fulfill the requirement that his next incarnation would have physical potential, so he was born into a normal family without any social standing. Her body instead had extremely high magical potential, which is the closest in power to his original body in all of his incarnations.

She grew up normally in the village, though she felt out of place due to looking like her mother. The townspeople were kind to her, and she lived happily, helping out in her father's shop, going to school, and falling in love like normal. Ciel's father viewed her as a rival in terms of making naan bread, so he told his daughter, "Don't you dare eat any curry, no matter what. Even if it kills you. No, in fact, I'll kill you if you do." She distanced herself from curry after that point.[1]

Everything changed around her sixteenth birthday, when Roa finally began to manifest. She wanted to snap the necks of her friends for no reason, and the sight of a beggar on the road was so funny that she wanted to stab him with a knife. She tried her best to resist the impulses by locking herself away in her room. It was not the same as possession, as she equated the feelings to those normal small destructive passions that all humans possess solidified inside her mind. She knew something terrible would happen if she were to let them take over, so she tried not to see anyone or do anything to avoid hating anyone and bring about her feelings.

Locking herself away was a large mistake because that gave time for her mind to grind away and finally surpass its limits. She became completely replaced with Roa after that point, but still felt his actions as her own. With only the thought of her thirstiness, she left her room for the first time in months, and after greeting her worried parents with a smile, bit into their necks and sucked their blood. She heard her voice, despite having never heard it before, saying
"---Has it been a hundred years? This body is very fascinating." Roa greatly enjoyed the amount of power the body gave him. Due to her having no social standing, it took him time to take over, and it was difficult to do so without having people notice.

He committed various atrocities to the citizens as he enjoyed using a body with true power, but it was not as wild as previous times and without as much blood spilled. The will of the incarnation still comes from the body, so she still had some power over his actions. She took the townspeople she loved one by one, and she humiliated and mutilated their souls. She figured that she would go insane, but also figured that insanity would cause her to commit even more sins than before. She tried to minimize the damage in order to persevere and keep her sanity. It only took a month before she was in full control of them and playing with their lives however she wished.

Her only solace was that it ended quickly. After the town was completely under Roa's control, he was inevitably hunted down by Arcueid, who managed to find him after two days of searching. She found him on a night with a crimson moon, and he was killed after their fight. Elesia's body was taken by the Church to the vatican. She eventually revived with her original personality without any of Roa's influence, while Roa moved on to his next incarnation, SHIKI Tohno. Her body naturally healed her over time, and due to her connection to Roa, she gained immortality in the form of a paradox that says she will not die as long as Roa continues to exist. After being killed repeatedly by the Church for an entire month in an attempt to study her immortality and to vanquish her as a heretic, she was taken in by the Burial Agency due to her unique nature. Her main desire and mission being the elimination of Roa to end her eternal existence. Due to her favoring projectile weapons, she was given the codename Bow (弓, yumi?).[2][3]

While she was originally scared of curry, on her first mission for the Burial Agency to defeat a Dead Apostle in India, she met with curry there. The offensive and eccentric taste shocked her, making her think, "Dad was keeping such a delicious food all to himself!" After that point, she became obsessed with it. The Dead Apostle Curry de Marche is said to be her reason for eating the curry, but his existence, as a parody character, makes that version of events somewhat dubious.[1]

Ciel displays two vastly different personalities depending on her current role, that of the kind, calm, friendly, and peaceful upperclassmen and that of the cold member of the Burial Agency. While she tries to act as if it is only a disguise in order to find out if Shiki is Roa's reincarnation, her gentle self can be called the "real" Ciel, but they are both real in a way. As with all the characters, she has a large burden to handle, so she is able to be more honest right after having sex.[1]

While acting as a senior at Shiki's school, she is the president and only member of the tea ceremony club. Everybody at school considers her a person of integrity even more reliable than the teachers.[4] She comes to become good friends with Arihiko Inui, Satsuki Yumizuka, and Shiki. When not investigating Shiki, she likes to go to class, where she sits in the back out of everyone else's view and enjoys listening to the teacher. She runs through the hall helping people out, and likes doing things like fixing the broken fence outside. She has tricked the teachers into letting her have the tea ceremony room, even making them give her a budget so that she can eat as much candy as she would like. Relaxing there and drinking tea in the afternoon is important to her.[1]

While acting as a member of the Church, she is very serious and willing to do whatever it takes to get her tasks done. She wishes to settle her own vendetta with Roa and remove her immortality. She attempts to remain cold and calculating when focusing on completing her job of hunting him down, but her interactions with Shiki make it hard for her. There is only one person to whom she wants to show her merciful side, that being Shiki.

Ciel is a costume fetishist, having designed the outfit she wears when "on duty" personally. She also has a weakness for curry, which has been mentioned in several ways, such as her storing much curry in her apartment. She likes Curry Bread, and as a weapon limited to her, Fried Curry Bread carries the additional effect of instant death, but neither has any effect against Akiha.[5] She'd be happy eating nothing but curry rice with curry udon for lunch every single day. Ever since coming to Misaki, the Indian Curry House Messiaen has become something of an oasis for her.[4]

With the help of Ciel, Shiki successfully defeats Roa. However, he transfers the burden of his madness to him, causing Shiki to have murdering thoughts and strange dreams (one of which Shiki finds about Ciel's past before and after being possessed by Roa). After he gets out of control and gravely injures and rapes Kohaku, Shiki runs away from the mansion, afraid that he will be unable to resist the urge to kill as long as he's around people.

Shiki and Ciel

Shiki calls Ciel and confesses to her that he's really a killer and needs to be away from people. She asks him to meet her at the school since there are no people there. He goes, but when she shows up she finds her dressed in her executor outfit as she carries her Seventh Holy Scripture. Ciel reveals to him that everything they shared in the past was all a huge lie, and her only purpose for being with him was to find out if he was Roa, and then kill him if he was. Shortly after, Ciel forces them to fight, despite Shiki not wanting to. Ciel quickly immobilizes him, but she is unable to kill him. She tries to convince herself that her love for Shiki was fake and it was just her mission to destroy Roa, but she ultimately collapses, sobbing onto Shiki's arms.

They later go to Ciel's house, when Shiki finds that his body has been excited after Roa transferred to his body. Ciel finds it out and tries a technique on him to calm the soul, in which they have sex. However, after they do it, Shiki is still succumbing to Roa, so he leaves Ciel's house, where he encounters with Arcueid, who was looking for him in order to kill him. She immediately blames Ciel for Shiki's current condition and tells him that she can save him if he obeys her. Depending of Shiki is given the choice to answer her.

If Shiki tells Arcueid that he does not love her, it results in Ciel's True Ending. He attacks her by cutting the line of her neck, causing Arcueid to threaten to kill him for real. Ciel appears and drags Shiki away, before Arcueid recovers. Ciel fights against Arcueid, but she is quickly defeated. Shiki, realizing that Roa has overtook his body, tries to kill himself by slashing his throat, so Arcueid won’t have to finish him. After doing this, Arcueid returns to her senses and vanishes after saying farewell to Shiki. However Shiki manages to survive and Ciel takes him to her house to heal his wounds, ending up together.

If Shiki tells Arcueid that he is attracted to her, it results in Ciel's Good Ending. After his response, Arcueid kisses him as she tries to get him to drink her blood, but she is stopped by Ciel. Ciel believes that if Shiki kills Arcueid, Roa might get weaker. As both girls discuss how to get rid of Roa, he overtakes Shiki's body. In order to stop it, Shiki slashes his chest in order to kill himself and stop Roa. After that, he has a vision of Roa before he started reincarnating and vanishes, disappearing for good. After killing Roa, both Ciel and Arcueid "share" Shiki, resulting in a sort of harem ending much to Ciel's chagrin.

In both scenarios, after Roa is destroyed, Ciel's body returns to normal.

At first Ciel is a supportive character, acting as Shiki's senpai who is disliked by Akiha. After Shiki starts having strange dreams and confesses it to Ciel, she asks him to meet her at the school. Just like in the other routes, she appears in her executor outfit and attacks Shiki. However, after Shiki is unable to kill her, she reveals her true identity and the fact the always knew that Shiki was not the killer. After revealing her identity, she abandons school the next day, removing her memories of herself from all her classmates, with the exception of Shiki. Akiha later reveals to Shiki that the reason why she was so cold to her was because she felt she was different and inhuman (the same treatments she had towards Arcueid and young SHIKI).

Ciel reappears again, saving Shiki from SHIKI and leaving Akiha behind. She takes him to her house, when she cures him, but when an angry Shiki asks her why she didn’t save Akiha, she calmly responds that SHIKI will soon turn Akiha into a mindless monster and there’s nothing that can be do about it. Despite her warnings, Shiki goes to save Akiha.

In the continuation of Akiha's True Ending in Kagetsu Tohya, Ciel sends a letter to Akiha, saying that after Shiki stabbed himself to save her, Ciel was able to take him with her and save his life, so he might return to the Tohno mansion in some months. Rather than be happy for that revelation, Akiha is upset because Ciel was the one who saved Shiki instead of her.

After the threat of Roa is gone from the town, she stays with the excuse of killing off his children vampires. They normally die after the parent dies, but those treated as successors can live on after the parent's death, such as Satsuki Yumizuka in Melty Blood. The area needs investigation even after they are exterminated, and the real job of purification only begins after that point. She still had to tweak her paperwork slightly in the end to get the job of doing it.[6]

Ciel is a member of the Burial Agency, special Executors meant for the slaying of Dead Apostles. She considers her Immortality to be the reason for her inclusion and cites that she may not be considered truly worthy as a member of the group without it.[7] Her body has extremely high physical and magical potential, allowing her to jump to and from the tops of lamp posts, leap from buildings and between rooftops, and carry a person at full sprint without breaking a sweat. She can fight Dead Apostles directly, and she is above the level of even advanced Executors like Kirei Kotomine due to her Magic Circuits, constitution, and immortality.[8] She is one of the few humans capable of fighting against Servants in a defensive manner while still being classified as an actual fight.[9] She was later described to be able to battle Servants on an equal ground.[10]

Ciel can be called almighty in that she can use any weapon. She has no true favorites, but guns are the only ones she likes overall. While preferring to utilize combat weapons like swords and guns, she is quite strong as a magus, as it is her actual nature, but she doesn't normally utilize it because of her dislike for resorting to Roa's knowledge.[1] She has the chance to obtain the Black Barrel from the Holy Church in certain cases, which she believes would allow her to even seal Arcueid Brunestud. She cannot win against Caster's overwhelming magecraft under normal circumstances, but the Seventh Holy Scripture and "what lies within the deepest parts of the Evocationary area of the Association" could help her overcome Caster.[11] One movement she utilizes in battle is Ciel Somer (シエルサマー?), a somersault technique not part of those she learned from the Burial Agency. It was developed and named by her, compared to all the regularly named moves displayed in Melty Blood. It can be said, "Just thank God she didn't get to name any of the moves involving the Seventh Holy Scripture."[12]

She is fighting at her strongest in Melty Blood Re-ACT and in Melty Blood Actress Again Current Code under the title of Powerd Ciel (完全武装シエル, Kanzen Busō Shieru?, Full Armed Ciel). She utilizes self-induced hypnosis to make her better suited for fighting, making her personality colder when she was Elesia. She uses equipment and energy that she has been stockpiling for a year, makes constant use of the Seventh Holy Scripture, and uses the magical knowledge gained from being a reincarnation of Roa. She only brought items specific to facing Roa while in Japan, so she has more specialized wares back home.

Ciel's main weapon as an Executor of the Church are the Black Keys. The Black Keys have the appearance of sword hilts with blades materialized by sorcery, though the Keys are treated more as daggers than swords and can be thrown. If the Keys manage to hit the shadow of a target, the target will be pinned down and unable to move as the shadow cannot separate from the body, and in such a case only Ciel can remove the Key pinning the shadow. Ciel has access to a huge number of Black Keys, as she can create them using pages from the Bible.[13][14]

Ciel possess a throwing technique, that the burial agency taught her, called the Iron Plate Effect (鉄甲作用?). Though her swords are clearly designed as piercing weapons, for some reason or another whatever they hit is totally blown away. When Arcueid was hit with a barrage of them in the Ciel route, it was enough to send her tumbling from one end of the park to the other. This phenomenon is called the Iron Plate Effect. With this technique, Ciel can kill 6 DAs with one Black Key and can blow Arcueid to the other side of the Misaki Park. It seems Arcueid assumed that there was some kind of enchantment applied to the swords that caused the force at the moment of impact to be multiplied dozens of times, but in reality this is the result of martial arts and not sorcery. It is nothing less than the Burial Agency's secret throwing technique.[15]

Ciel has also wrote spells on the Black Keys, giving them many unique effects such as Cremation Sacrament (火葬式典, Flame Burial?) and Sky Burial. Cremation Sacrament is an enchantment attached to Ciel's throwing swords. The blades are engraved with spells, causing targets to burst into flames after being pierced. It sees very little use amongst the Church's Executors. It's because Ciel doesn't believe in Christianity at all that she makes use of these heresies with impunity. The source of Ciel's sorcery is the knowledge she inherited from Roa. Aside from the Cremation Rite, there is also the Internment Rite, which turns the target into stone, the Mummification Rite, which desiccates the target, and the Excarnation Rite, which causes countless crows to descend upon the target. Ciel herself is reluctant to make use of Roa's knowledge, but if it's for the sake of annihilating Dead Apostles she will use his (taboo) magecraft without even a bit of hesitation.[16]

The Seventh Holy Scripture (第七聖典?) is one of the most powerful weapons of the Catholic Church, said to be "one of the apocrypha that must never be removed from its resting place." It is a Conceptual Weapon Ciel is authorized to carry, created almost one thousand years ago by the Church to act as an iron hammer to renounce the heretical doctrine of transmigration. Created by felling a Unicorn, a beast said to consume souls, they used its horn as a key, inscribing it with "tightly-packed complaints" with every possible impeachment of reincarnation criticism. Crossing it with the deceased spirit of a girl, it was made to prevent reincarnation. Its age is enough that it has an elemental within it named Nanako, though the essence of her personality was warped by Ciel's modifications. Ciel is the first wielder of the Seventh Holy Scripture powerful enough to allow this spirit to manifest in physical form.

It is a scripture that was sanctified over the course of many years that previously had some dignity, but drastically changed after being used by Ciel. With thoughts of "A horn!? That's not practical at all. The higher-ups are totally out of touch!", she set to improving it without holding back. Previously only effective against spiritual entities, it also became a physical weapon, a scriptural canon and pile bunker with a weight of sixty kilograms. It is a lump of iron capable of pounding vampires to death with only physical attack power. Swinging it is enough to easily break bones, and she can manipulate it with great strength and speed. With optional attachments increasing its maximum weight by double, it can be called a "Gatling scripture." Ciel has "customized" the weapon, adding four dots to it to make it look more industrial.

As something that is a scripture, apocrypha, and weapon all at once, it is a powerful weapon that needs an incredibly strong wielder. She uses reinforcement to make herself strong enough to swing it combat, and she is better at utilizing it than Riesbyfe Stridberg can use her own Scripture. It would take an entire team of magi to utilize it constantly like she does, all due to her innate abilities. It is an "Immortal Killer" that will disperse the soul of its target into nothingness. When attacking with the bayonet and driving it into her opponent, pages of the holy scripture are ejected from the magazine instead of empty cartridges.[17][18] The bayonet is replaced with a new one instantly, while the fired one falls, turns into pages, and scatters. It is damaging to vampires and keeps them from healing normally, as it is no different than being directly injected with the holy scripture itself. It is like a fatal poison even to Shiki when he is only a partial Dead Apostle, and being hit solidly with it blows him far away. After killing him with it, he feels Roa's soul disperse.

Ciel's magic potential is extraordinary, so much that she far surpasses an "A rank magus." Given numbers, a high ranking magus like Rin Tohsaka would rank anywhere from 70-100, while Ciel would be 100.[19] Her excellent qualities are far above that of normal magical energy preservation limits. Normal magi can be compared to having a beer mug's worth of magical energy and being able to fight with the output of a water gun, while Ciel has a twenty-liter tank's worth of magical energy and can fight with the output of a water hose. She has over one hundred times the energy of an average magus, having more than four thousand to the regular magus's forty.[20] Even with that potential, she cannot be called good at magecraft, as she only knows a lot about it from Roa's memories. She rarely ever uses it, wasting her talent and leaving her with many spells that she knows while never having used them.[1]

Ciel inherited a large amount of magical knowledge from Roa, such as Numerology, High Speed Incantation, Simplified Repetitive Incantation, and Necromancy.[21] During Arcueid's route, she utilizes a number of the Dead Arcueid killed in order to attack her. She preserved them from the day before and manipulated them with string from atop a streetlight. While the use of it was not easy for her, it is something she is capable of as "Roa's daughter." All of those chosen to be Roa's reincarnated body can be called his descendants even though they are not related by blood, so they can be called his children. He had the most attachment to Ciel out of all of his hosts.[6]

She uses magic along with the sacraments of the sacred church. Commonly, this magical ability manifests in her control of the Mystic Eyes of Whisper, allowing her to manipulate people to a limited extent, hypnotizing them into not doubting the words that she says, unless there is direct evidence otherwise. It was this technique that allowed her to infiltrate Shiki's school.

The reason Ciel originally revives after her body has been slain by Arcueid and been abandoned by Roa's soul has to do with her magical potential. Her body's power of regeneration is so exceptional that she will always revive.[22] After her body revived in such a fashion, the World, recognizing her soul as Roa, caused a contradiction to form. While she lived as a unique person for her first fifteen years, she was a human born as Roa. She is herself, but she is also Roa because the name of her soul is Roa according to the world.

If the girl called Roa is dead when Roa is alive, that would be a contradiction to the world. The world will correct even a slight error whenever it occurs in order to preserve itself, so as long as Roa still lives, his soul still exists, she will continue to exist as well. The progeny of the existence Roa, the daughter of Roa, cannot die before him, and as his soul is set to exist for all eternity due to his reincarnation method, she too will exist for all eternity. She is "outside the cycle", so her life will be forever stopped. She will not die as long as Roa still lives, even if every cell of her is destroyed, because the world itself will always fix the error automatically. While vampires can be called immortal while they live, their regeneration stops after they die. Time itself is what restores her, so she is brought back without even any input from her own will.

She has gained a form of immortality due to the contradiction, always reverting her to her original state no matter the damage, whether it is lethal or not. She cannot age, so she cannot die of old age. Even if she is incinerated to ashes, time will reverse her to her original state. She is not able to die under any circumstance, meaning that she was able to be killed every moment of an entire month without a single negative consequence to her body. Shiki can see death on her body with his Mystic Eyes of Death Perception, but he describes the death he sees on her to be very different from other people. He can see lines and points, and as they have no exception, cutting the line on her neck and stabbing a point kill her.

It is not healing or regeneration, but more like any wounds caused to her are "rewound." After cutting her neck, blood sprays everywhere, but within a moment, the wound and all of the blood are gone, returned to how it was before as if being rewound like a video. Even pools of blood are instantly reverted, leaving no trace of having existed, and her heart will start to beat again even with a sword through her brain. The ability does not remove foreign objects impaling her, so she will still be trapped in place even if they cannot kill her. While it is useful in battle, it does not allow her to compete with Arcueid in direct combat. Though she cannot die, Arcueid can kill her repeatedly to keep her from retaliating.

Ciel was based on Clobette, one of the heroines in Takeuchi Takashi's doujin manga "Valkyria", as well as a secretary named Cipher Neuvelvourg that was found in "Limitlessly Blue", a tabletop RPG game that Takeuchi GMed, which was also a basis to his doujin manga "Valkyria".[1]

Ciel has been redesigned by Takeuchi Takashi for the Tsukihime remake.

Chie Rumiko, whose name is a homonym of Priestess Ciel, is a homage to Tsukihime in the Higurashi no Naku Koro ni series.[24] She has a love for curry and utilizes six T-squares in the same manner as Ciel handles Black Keys. Ciel's voice actor for the Tsukihime anime also does her voice.

Ciel [Person's name]
One of the heroines in Tsukihime. A mysterious upperclassman. At the beginning of the game, she planted a suggestion in both Shiki and the players' heads that she was just an ordinary, strangely named sempai that they already knew. Also, glasses.
In truth, she is the newest member of the Church's inquisition force, the Burial Agency, and is tasked with punishing the Dead Apostle Roa. She infiltrated Shiki's school because she suspected him of being Roa's reincarnation, but in the process of observing him she ended up being charmed by him instead. It wasn't something as simple as falling in love, of course. It's just that she was moved by the fact that Shiki could lead such a carefree life despite having experienced death just like she had.
Due to a certain contradiction, she is an existence that cannot die no matter what happens. She is trying to destroy Roa in order to resolve this state of affairs. She boasts excellent reflexes, and is number seven in the Burial Agency despite her young age. She's not just skilled in martial arts, though. The knowledge of sorcery that she inherited from Roa is equivalent to that possessed by a magus of the rank of Grand – the highest rank in the Association. Even in the Church, where sorcery is officially forbidden, this is regarded as a highly useful asset. However, Ciel herself hates drawing on Roa's knowledge.
Within the Burial Agency she is known as "Bow", due to her preference for using projectile weapons. She fights using all sorts of projectiles – not just throwing swords, but guns as well. In fact, the one responsible for changing the Seventh Holy Scripture from a beast's horn into its current shape was actually Ciel.
Before she was part of the Burial Agency, she was the daughter of a baker. Her dream was to become a cake maker, and she already had some skill at making sweets.
…Though it seems she has no interest in making Western-style sweets anymore, on account of it dredges up memories of the past.
Her reputation as a curry lover has grown with each successive appearance, and at this point her name itself is synonymous with the stuff. As for why she loves curry so much, Takeuchi made a manga about it. It's probably about half true.
Always seems to end up playing second-fiddle to the other heroines. Maybe it's because of her magnanimous, all-forgiving nature?
Oh, well, at least her hand-to-hand combat action in Melty Blood ended up being really cool, since she was conceived of as a battle-type heroine from the very start.

Bow [Colloquial term]
Ciel's alias within the Burial Agency. The name comes from the fact that she's the only person in the Burial Agency that fights using firearms.
It seems that Ciel is something of a gunpowder maniac, and the entire reason she changed the Seventh Holy Scripture into its current form was just to fit her own personal tastes.
…Sure, shooting a gun feels nice and all, but I'm a little worried about her. I wonder if there's something strange at work stressing her out…?
Also, in Melty Blood she finally demonstrates skills worthy of this name. So many black keys…

Ciel [Person's name]
An upperclassman at Shiki's school. Due to her gentle, polite speech, the way she always lends a helping hand to those in need, and her ability to comfort those in grief, everybody at school considers her a person of integrity even more reliable than the teachers. In reality, she is an executor sent by the Church to stamp out heresy, and a member of the organization known as the Burial Agency.
She possesses combat ability specialized for fighting vampires, and her own potential also exceeds the realm of humans.
However, she is not a mere brute – her skills as an intelligence agent are quite high as well. For instance, she can implant suggestions using sorcery. It's because of this that nobody around her gave the name Ciel (which by all rights should have raised some eyebrows) a second thought.
Though she came to Misaki hunting a certain Dead Apostle, once there she encountered an even bigger prize: Arcueid Brunestud. As Arcueid's ally, Shiki should have been her enemy, but they nevertheless became friends.
Also, she's such a huge curry lover that she'd be happy eating nothing but curry rice with curry udon for lunch every single day. Ever since coming to Misaki, the Indian Curry House Messiaen has become something of an oasis for her.

Nasu: There were many Command Spells on his arm. In fact, at one point there was this idea to present the effect of the Command Spells consumed to defeat Zouken in Fate/Stay Night with all the bells and whistles. With about ten Command Spells, even a human being can damage a Heroic Spirit. Ultimately I did not get the chance to do so. Mmm, True Assassin was not as reliable as I thought he would be (sweat drop)."

Takeuchi: Speaking of strength, who is stronger, Ciel or Kotomine?

Nasu: Ciel is overwhelmingly strong, due to her circuits, constitution and immortality. The strength of Kotomine at the time of Zero was due to his abnormally large number of Command Spells and his tenacity towards Kiritsugu. It was truly the brightest moment of his life. The Kotomine at that time could even win against Ciel.

Q: In the other Type-Moon works, who else besides Arc can fight against Servants?

A: If we're working on the condition of one on one, with an extremely average Noble Phantasm. Generally most of the 27 Ancestors, Kishima Kouma, Aozaki Aoko.
If it's just a defensive fight, but would still be a fight, then Ciel. Shiki (Rakkyo), Shiki (Tsukihime) are no match for Servants....but Ryougi Shiki (3rd personality) might be able to go as far as the Ciel class.

[v] Comptiq special issue - Fate Dojo special edition:Q: If Caster and Ciel went full out on magic and fought each other, who would win?

Q: If Caster and Ciel went full out on magic and fought each other, who would win?

A: That'd be Caster. A lot's been said, but see, she's a witch from the divine era, something that shouldn't be in the present. If it was a competition against human opponents, then Caster would present the most horrifying and greatest results among the HF 5 Servants..... Though, if Ciel got her hands on what lies within the deepest parts of the Evocationary area of the Association and sends the Seventh Scripture in her, things will be different.

Ciel Somer [Technique name]
Not, as you might think, a misspelling of "Ciel Summer".
One of Ciel's new moves in Melty Blood Re-ACT. All her other moves are named normally, but this one is Ciel Somer. Ciel does a somersault, so it's called Ciel Somer.
That's all there is to it.
When we sent the list of skill names to French Bread, we had written "Ciel Somer (←This is serious)" down for this one, but apparently there was a misunderstanding and they thought the note in parentheses was actually part of the name. Really we were just trying to say that the name wasn't a joke, and we seriously wanted to call it Ciel Somer. Still, it was funny so we ended up deciding to use it anyway. Because of that, "Ciel Somer (Serious)" made its way into the game as a powered-up version of the move that shows up when you do a shield counter.
By the way, if you're wondering why this particular skill has such a strange name, it's because it’s a skill Ciel made up herself and not one from the Burial Agency. In short, she's the one that named it. Just thank God she didn't get to name any of the moves involving the Seventh Holy Scripture.

Black Keys [Weapon name]
No, not the black keys on a piano. The throwing swords wielded by Ciel.
As for why they're called black keys, refer to the entry on purification.
Ciel carries a large number of these concealed on her person, but what's under her robes is actually just the hilts. She materializes the blades by passing magical energy through pages of the bible. The maximum number she is able to conceal at one time is close to 100.
Also, since black keys are designed specifically for throwing and not for swordplay, in a way they could be considered a kind of bullet.
Though they are counted as one of the basic weapons of the Church, the fact that they're relatively hard to use means that very few executors favor them.

Black Keys [Weapon name]
The throwing swords wielded by Ciel.
Weapons for use against vampires, monsters that distort the laws of nature. These "keys of providence" call forth the original laws of nature the vampire was subject to as a human.
Ciel carries a large number of these concealed on her person, but what's under her robes is actually just the hilts. She materializes the blades by passing magical energy through pages of the bible. Because the black keys are quite compact before this transformation, the maximum number she is able to conceal at one time is close to 100.
Despite their appearance black keys are not designed for swordplay, but are in fact throwing weapons. The Burial Agency even has a secret technique called the Iron Plate Effect that allows them to throw more effectively.
Because Ciel has mastered this technique, her black keys are capable of boring through concrete walls. They are counted as one of the basic weapons of the Church, but the fact that they're relatively hard to use means that very few executors favor them.
Also, besides the Iron Plate Effect, there are other secret throwing techniques such as the Cremation Rite and Internment Rite. The Cremation Rite, in particular, is used in Ciel's Last Arc.

Iron Plate Effect [Unusual talent]
A special way of using Ciel's throwing swords.
Though her swords are clearly designed as piercing weapons, for some reason or another whatever they hit is totally blown away. When Arcueid was hit with a barrage of them in the Ciel route, it was enough to send her tumbling from one end of the park to the other.
This phenomenon is called the Iron Plate Effect. It seems Arcueid assumed that there was some kind of enchantment applied to the swords that caused the force at the moment of impact to be multiplied dozens of times, but in reality this is the result of martial arts and not sorcery. It is nothing less than the Burial Agency's secret throwing technique. For the sake of tomorrow, hit the opponent like you're trying to bore right through them!

Cremation Sacrament [Weapon name]
An enchantment attached to Ciel's throwing swords.
The blades are engraved with spells, causing targets to burst into flames after being pierced. It sees very little use amongst the Church's Executors. It's because Ciel doesn't believe in Christianity at all that she makes use of these heresies with impunity.
The source of Ciel's sorcery is the knowledge she inherited from Roa. Aside from the Cremation Rite, there is also the Internment Rite, which turns the target into stone, the Mummification Rite, which desiccates the target, and the Excarnation Rite, which causes countless crows to descend upon the target.
Ciel herself is reluctant to make use of Roa's knowledge, but if it's for the sake of annihilating Dead Apostles she'll use his (taboo) sorcery without even a bit of hesitation.

Seventh Holy Scripture [Weapon name • Technique name]
Ciel's Arc Drive.
The conceptual armament that Ciel is authorized to carry. Although it is called a scripture, it's actually an enormous pile bunker.
An iron hammer created by the Church in order to renounce the heretical doctrine of transmigration. Over a millennium has passed since it was first forged, and there's even an elemental dwelling within it, but…
Before Ciel remodeled it, it was only effective against spiritual entities. Now, however, it has been transformed into a lump of iron that can pound a vampire to death with its physical attack power alone. It has a gross weight of 60 kilograms, and a maximum weight of twice that with optional attachments.
During Ciel's Arc Drive, she drives the stake into her opponent. Afterward, what is ejected from the magazine is not an empty cartridge, but pages of the holy scripture. For vampires, this is no different from being directly injected with the holy scripture itself. There is no doubt that it is a surefire "Immortal Killer".

Seventh Holy Scripture [Weapon name]
The conceptual armament that Ciel is authorized to carry. An iron hammer created by the Church in order to renounce the heretical doctrine of transmigration.
It was created by felling a miraculous beast said to consume souls, then using its horn as a key. The surface of the horn is inscribed with tightly-packed complaints about how "transmigration is really lame".
Since it's been almost a thousand years since it was first created, it even has an elemental living within it.
It was sanctified over the course of many years, but eventually fell into Ciel's hands.
"A horn!? That's not practical at all. The higher-ups are totally out of touch!"
Unable to hold herself back, she set about improving it, and because of that the Scripture's elemental ended up having the essence of its personality warped.
Before Ciel remodeled it, it was only effective against spiritual entities. Now, however, it has been transformed into a lump of iron that can pound a vampire to death with its physical attack power alone. It has a gross weight of 60 kilograms, and a maximum weight of twice that with optional attachments. It's a… Gatling scripture!?

[v] Game Japan 2007-02 issue - How high (or low) are the talents of Emiya Shirou and Tohsaka Rin within the entire history of the Association?

GJ: I have a question about Fate characters. How high (or low) are the talents of Emiya Shirou and Tohsaka Rin within the entire history of the Association?Nasu: Rin really is a genius. Given time, she'll enter within the top 100 magi of the Association throughout its entire history. Shirou won't move out from being an magus apprentice, but as a spell-user, he'll be among one of the big specialists. Ultimately, he'll receive an evaluation on the same level as "Magus Killer" Emiya Kiritsugu had in his peak, maybe. If I were to put into simple numbers, Ciel: 100, Rin: 70-100, Shirou: 10 (under particular limited conditions, then 40).

Magical Energy [Term]
The source that powered all magecraft, analogous to gasoline.
There were many names for it. For example, the magical energy in the atmosphere was called Mana. The meaning of Mana was approximately the same as that in the Polynesian culture. Also, Ether was not a form of Magical Energy as it was something else.
The Magical Energy in this story included Mana and the Magical Energy generated by magi themselves.
The difference in magnitude between the Magical Energy that permeated the natural environment and the Magical Energy generated by an individual was so great, it was foolish to compare the two.
Since the atmosphere in the Engulfing Forest was under Einnashe's control, one could not utilize the Magical Energy of the environment. As a result, most magecraft could not be activated, a magus could only activate very small-scale spells that utilize an individual's internal storage.
As an aside, this thing called "an individual's Magical Energy" as used by Blue in a foolish yet clever manner. To use a simile, it was like driving a car for 1000 km on 1 L of gas.
Also, the capacity of Ciel was ridiculously large. If a regular magus' gas tank was 40, then Ciel's was more than 4000. She truly deserved the name Miss Glutton.

Ciel's Immortality [Circumstance]
After the obliteration of Roa, Ciel lost her characteristic immortality.
Ciel naturally reverted to having a body that would "die if killed" since the World no longer needed to kept her alive to sustain Order.
However, Ciel was still tough. No matter what, Ciel's body was still the one that "survived" after being killed by Arcueid and abandoned by Roa's soul. Its power of regeneration was exceptional.
Still, she would not resurrect if killed. In order to kill someone who could regenerate like Ciel, it was best to destroy the brain, where the Magic Circuits converge.

Ciel-sensei [Colloquial term]
Administrator of the Tsukihime Help Corner.
The fact that she fits even better here than in the main story is almost frightening. As for why it's Ciel, well, basically we figured if we could turn an older-sister type character into the current Ciel, then turning the half-baked upperclassman Ciel into a teacher should be fine.
Since her partner Neco Arc made her solo debut in Melty Blood Re-act, there's a part of her that wants to force her way onto the stage, too.